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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | RoHS Status | Output Type | Sensing Method | Sensing Distance | Response Time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SD5443-004 | Honeywell Sensing and Productivity Solutions | SENSOR PHOTOTRANSISTOR NPN TO-46 | - | -55°C ~ 125°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SFH 3605-2/3-Z | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR | - | -40°C ~ 100°C (TA) | Original-Reel® | Surface Mount | - | - | - | - | - | |
| VTT9812FH | Excelitas Technologies | PHOTOTRANSISTOR T 1 3/4 FLAT IR | VTT | - | Bulk | Through Hole | - | - | - | - | - | |
| SFH 309 FA-4/5 | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN 900NM 3MM | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| TSKS5421SX01-GSZ | Electro-Films (EFI) / Vishay | PHOTOTRANSISTOR NPN TH | - | - | - | - | - | - | - | - | - | |
| BPX 83 | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN 850NM ARRAY | - | -40°C ~ 80°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| LTR-5888DH | Lite-On, Inc. | PHOTOTRANSISTOR PTX TBIT .15"HT | - | -40°C ~ 85°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SDP8106-001 | Honeywell Sensing and Productivity Solutions | PHOTODARLINGTON SILICON SIDE | - | - | Bulk | Through Hole, Right Angle | - | - | - | - | - | |
| SDP8405-014 | Honeywell Sensing and Productivity Solutions | PHOTOTRANSISTOR SILICON NPN T-1 | - | -40°C ~ 85°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| OP803SL | Optek Technology / TT Electronics | PHOTOTRANS SILICON NPN HERM TO18 | - | -65°C ~ 125°C (TA) | Bulk | Through Hole | - | - | - | - | - |
Phototransistors are semiconductor devices that convert light energy into electrical signals. They consist of a semiconductor junction and a transparent window that allows light to enter and interact with the semiconductor material. Phototransistors amplify the current generated by incident light, making them suitable for applications requiring high sensitivity to light levels, such as optical encoders, ambient light sensing, and infrared remote control systems.